[PATCH] video: fbdev: Fix missing of_node_put in imxfb_probe

From: cgel . zte
Date: Thu Apr 07 2022 - 05:02:16 EST


From: Lv Ruyi <lv.ruyi@xxxxxxxxxx>

of_parse_phandle returns node pointer with refcount incremented,
use of_node_put() on it when done.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Lv Ruyi <lv.ruyi@xxxxxxxxxx>
---
drivers/video/fbdev/imxfb.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c
index 68288756ffff..a2f644c97f28 100644
--- a/drivers/video/fbdev/imxfb.c
+++ b/drivers/video/fbdev/imxfb.c
@@ -925,10 +925,12 @@ static int imxfb_probe(struct platform_device *pdev)
sizeof(struct imx_fb_videomode), GFP_KERNEL);
if (!fbi->mode) {
ret = -ENOMEM;
+ of_node_put(display_np);
goto failed_of_parse;
}

ret = imxfb_of_read_mode(&pdev->dev, display_np, fbi->mode);
+ of_node_put(display_np);
if (ret)
goto failed_of_parse;
}
--
2.25.1